Bike Aluminum Bar end silver Plugs "Easy to use, just need to insert and tighten the screw with an installation tool then expands to fit handlebars. Material: Made of Aluminum Alloy and Rubber, light, sturdy and durable. Package Content: 2 piece Handlebar End Plugs Fit HandleBar Diameter: 22mm(7/8"" ) Black Rubber Part Size: 1.8 x 1.8cm/ 0.71"" x 0.71"""